Protect PDF
Protect PDF files with a password. Encrypt PDF documents.
100% private — processed locally in your browser. Nothing is uploaded.
AES-256 encryption — choose a password you will share with recipients.
Protect PDF: quick guide
Protect PDF files with a password. Encrypt PDF documents. GlobePDF runs this workflow in your browser, so your files stay on your device instead of being uploaded to a server. Use it when you want to add password protection before sending a PDF, then verify the downloaded result before sending it anywhere.
How to use it
- Upload the PDF you want to secure.
- Choose a strong password and keep a copy somewhere safe.
- Download the encrypted PDF and test it before sharing with someone else.
Best for
- Sending confidential PDFs
- Adding password protection before sharing
- Keeping downloaded records harder to open by accident
Before you submit
- Confirm you have permission to change the document security settings.
- Open the downloaded file once before submitting it.
- Keep the original file until the result is accepted.
Questions about Protect PDF
Do I need an account for Protect PDF?
You can use the basic features without an account. Sign up or log in to access additional capabilities.
Are my files uploaded?
GlobePDF runs this workflow in your browser, so your files stay on your device instead of being uploaded to a server.
What happens if I forget the password?
GlobePDF cannot recover forgotten passwords. Store the password somewhere safe before you share the protected PDF.